US PATENT SUBCLASS 126 / 609
.~ With auxiliary heat source for fluent medium

Current as of: June, 1999
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126 /   HD   STOVES AND FURNACES

569  DF  SOLAR HEAT COLLECTOR {18}
609.~ With auxiliary heat source for fluent medium {7}
610  DF  .~.~> In a tank
611  DF  .~.~> In a heat exchanger
612  DF  .~.~> In the collector
613  DF  .~.~> Heat pump
614  DF  .~.~> Fireplace
615  DF  .~.~> Water heater
616  DF  .~.~> Hot air furnace

DEFINITION

Classification: 126/609

With auxiliary heat source for fluent medium:

(under subclass 569) Apparatus which further includes a heater other than solar to add thermal energy to the fluent medium.

SEE OR SEARCH CLASS

62, Refrigeration,

235.1, for a solar heater providing a heat sink for a heat pump or providing a heat source required for refrigeration (e.g., boils refrigerant in an absorption system).

165, Heat Exchange,

48+, and other appropriate subclasses for a combined heating and cooling means wherein the heating means may be a solar heater.

237, Heating Systems, 1, for methods and apparatus for heating rooms, chambers, houses, and other enclosing structures where the source of heat claimed is other than a solar collector. [figure]